Home / 2,784.23-4,176.34-2,370.72

Finding the Fourth Proportional to 2,784.23, 4,176.34 and 2,370.72

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Solution

The fourth proportional to 2,784.23, 4,176.34 and 2,370.72 is: 3,556.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.23 : 4,176.34 = 2,370.72 : x
  2. Step 2: Convert to fraction form
    2,784.23/4,176.34 = 2,370.72/x
  3. Step 3: Cross multiply
    2,784.23x = 4,176.34 × 2,370.72
  4. Step 4: Simplify right side
    2,784.23x = 9,900,932.76
  5. Step 5: Solve for x
    x = 9,900,932.76/2,784.23
  6. Step 6: Final answer
    x = 3,556.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.